#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	for (int year = 1000; year <= 2000; year++)
	{
		if (year % 4 == 0 && year % 100 != 0)
		{
			printf("%d ", year);
		}
		else if (year % 400 == 0)
		{
			printf("%d ", year);
		}
		else
		{
			continue;
		}
	}
	return 0;
}